Canine Caviar’s canned foods are single protein diet that contains No Grains, No fillers, No Added Sugar or Salt, and No Artificial Colors or Preservatives. Canine Caviar canned diets are perfect for dogs that have allergies to other proteins, if you are looking for an alternative to raw (the can is cold processed) or an alternative protein to stimulate your pet’s immune system. You can feed Canine Caviar canned foods as a treat, supplement, or the base of a home prepared meal.